Texas Instruments
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BQ24172RGYT
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BQ24172RGYT

Product Overview

Category

BQ24172RGYT belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

This product is primarily used for charging lithium-ion batteries in various electronic devices such as smartphones, tablets, and portable electronics.

Characteristics

  • Integrated circuit for battery charging
  • Supports fast charging protocols
  • High efficiency power management
  • Compact package size
  • Low power consumption
  • Overvoltage and overcurrent protection

Package

BQ24172RGYT is available in a small outline 24-pin VQFN package, which ensures easy integration into electronic devices.

Essence

The essence of BQ24172RGYT lies in its ability to efficiently charge lithium-ion batteries while providing protection against potential hazards.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input voltage range: 4.35V - 6.45V
  • Charging voltage range: 3.5V - 4.44V
  • Charging current range: 500mA - 4000mA
  • Operating temperature range: -40°C to +85°C
  • Efficiency: Up to 95%
  • Standby current: < 100µA

Detailed Pin Configuration

  1. EN (Enable)
  2. STAT (Status)
  3. PG (Power Good)
  4. TS (Thermal Sense)
  5. ISET (Current Set)
  6. VBUS (Input Voltage)
  7. VBAT (Battery Voltage)
  8. SYS (System Voltage)
  9. GND (Ground)
  10. ILIM (Input Current Limit)
  11. PROG (Programmable)
  12. TS/NTC (Thermal Sense/NTC)
  13. BATFET (Battery FET)
  14. SRN (System Reset)
  15. SDA (I2C Data)
  16. SCL (I2C Clock)
  17. INT (Interrupt)
  18. TS/NTC (Thermal Sense/NTC)
  19. VBUS (Input Voltage)
  20. VBAT (Battery Voltage)
  21. SYS (System Voltage)
  22. GND (Ground)
  23. ILIM (Input Current Limit)
  24. PROG (Programmable)

Functional Features

  • Fast charging support
  • Thermal regulation for safe operation
  • Input voltage regulation
  • Battery temperature monitoring
  • Overvoltage and overcurrent protection
  • Charge termination based on battery voltage and current thresholds
  • I2C interface for configuration and status monitoring

Advantages and Disadvantages

Advantages

  • High charging efficiency
  • Compact package size
  • Wide input voltage range
  • Comprehensive protection features
  • Programmable settings for customization

Disadvantages

  • Requires additional external components for complete functionality
  • Limited availability of alternative models

Working Principles

BQ24172RGYT operates by regulating the charging process of lithium-ion batteries. It monitors the input voltage, battery voltage, and temperature to ensure safe and efficient charging. The integrated circuit controls the charging current and terminates the charging process when specific voltage and current thresholds are reached.

Detailed Application Field Plans

BQ24172RGYT finds applications in various electronic devices that require lithium-ion battery charging capabilities. Some common application fields include: - Smartphones - Tablets - Portable media players - Wearable devices - Bluetooth speakers - Power banks

Detailed and Complete Alternative Models

While BQ24172RGYT is a reliable choice for battery charging applications, there are alternative models available in the market that offer similar functionalities. Some notable alternatives include: - BQ24170RGYT - BQ24171RGYT - BQ24173RGYT

These alternative models provide similar features and can be considered based on specific requirements and availability.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací BQ24172RGYT v technických řešeních

Sure! Here are 10 common questions and answers related to the application of BQ24172RGYT in technical solutions:

  1. Question: What is the input voltage range for BQ24172RGYT?
    Answer: The input voltage range for BQ24172RGYT is 3.9V to 17V.

  2. Question: What is the maximum charging current supported by BQ24172RGYT?
    Answer: BQ24172RGYT supports a maximum charging current of 4.5A.

  3. Question: Can BQ24172RGYT charge multiple battery chemistries?
    Answer: No, BQ24172RGYT is specifically designed for single-cell Li-Ion or Li-Polymer batteries.

  4. Question: Does BQ24172RGYT support USB Type-C power delivery?
    Answer: No, BQ24172RGYT does not support USB Type-C power delivery. It is primarily used for traditional USB charging applications.

  5. Question: What is the thermal regulation feature in BQ24172RGYT?
    Answer: The thermal regulation feature in BQ24172RGYT helps prevent overheating by reducing the charging current when the IC temperature exceeds a certain threshold.

  6. Question: Can BQ24172RGYT operate in a wide temperature range?
    Answer: Yes, BQ24172RGYT can operate in a temperature range of -40°C to +85°C.

  7. Question: Does BQ24172RGYT have overvoltage protection?
    Answer: Yes, BQ24172RGYT has built-in overvoltage protection to safeguard the battery from excessive voltage levels.

  8. Question: Can BQ24172RGYT be used in portable devices like smartphones and tablets?
    Answer: Yes, BQ24172RGYT is commonly used in portable devices like smartphones, tablets, and other battery-powered applications.

  9. Question: Does BQ24172RGYT support battery temperature monitoring?
    Answer: Yes, BQ24172RGYT has a dedicated pin for battery temperature monitoring, allowing the system to monitor the battery's temperature during charging.

  10. Question: What is the purpose of the power good (PG) indicator in BQ24172RGYT?
    Answer: The power good (PG) indicator in BQ24172RGYT provides a signal to indicate when the charging process is complete or if any fault conditions occur during charging.

Please note that these answers are general and may vary depending on the specific implementation and configuration of BQ24172RGYT in different technical solutions.